Patent application number | Description | Published |
20080262502 | MULTI-MEMBRANE PROSTHETIC NUCLEUS - Multi-membrane prosthetic nucleus and implants using same are disclosed having an outermost membrane that is semi-compliant and limits the innermost membrane and any intermediate membranes that are highly compliant from bulging out of any opening in the annulus fibrosus. The outermost membrane may help protect the innermost membrane from trauma including any trauma before the innermost membrane is expanded through the injection of prosthetic nucleus material and trauma during the expansion of the innermost membrane in response to the injection of prosthetic nucleus material. Also disclosed is a coated membrane which combines the mechanical properties of the foundation layer with the low permeability to the passage of the flowable prosthetic material of the coating. This coated membrane is semi-compliant and prevents the prosthetic nucleus from bulging out of any openings in the annulus fibrosus. Use is made of injected prosthetic nucleus material that changes to a non-flowable state. | 10-23-2008 |
20090124859 | METHODS OF USE OF AN EXCHANGE SYSTEM FOR SOFT TISSUE ACCESS PATHWAY - Disclosed are surgical tools, tool sets and methods for percutaneously accessing and preparing treatment sites within the spine for subsequent treatment procedures. The treatment site may be an inter-vertebral motion segments in the lumbar and sacral regions of the spine. The tool set may comprise introducer tools and bone dilators for accessing and tapping into a targeted site, such as, for example, the anterior surface of the S1 vertebral body. The tool set may also comprise cutters and extractors for preparing the treatment site for subsequent treatment procedures. The tool set may additionally comprise a bone graft inserter, an exchange system, and/or a temporary distraction tool for further preparing the treatment site for subsequent treatment procedures. | 05-14-2009 |
20090143809 | METHOD AND APPARATUS FOR MANIPULATING MATERIAL IN THE SPINE - Disclosed are surgical tools, tool sets and methods for percutaneously accessing and preparing treatment sites within the spine for subsequent treatment procedures. The treatment site may be an inter-vertebral motion segments in the lumbar and sacral regions of the spine. The tool set may comprise introducer tools and bone dilators for accessing and tapping into a targeted site, such as, for example, the anterior surface of the S1 vertebral body. The tool set may also comprise cutters and extractors for preparing the treatment site for subsequent treatment procedures. The tool set may additionally comprise a bone graft inserter, an exchange system, and/or a temporary distraction tool for further preparing the treatment site for subsequent treatment procedures. | 06-04-2009 |
20090270902 | BONE DILATOR SYSTEM AND METHODS - Disclosed are surgical tools, tool sets and methods for percutaneously accessing and preparing treatment sites within the spine for subsequent treatment procedures. The treatment site may be an inter-vertebral motion segments in the lumbar and sacral regions of the spine. The tool set may comprise introducer tools and bone dilators for accessing and tapping into a targeted site, such as, for example, the anterior surface of the S1 vertebral body. The tool set may also comprise cutters and extractors for preparing the treatment site for subsequent treatment procedures. The tool set may additionally comprise a bone graft inserter, an exchange system, and/or a temporary distraction tool for further preparing the treatment site for subsequent treatment procedures. | 10-29-2009 |
20100137991 | PROSTHETIC NUCLEUS WITH A PREFORMED MEMBRANE - Multi-membrane prosthetic nucleus and implants using same are disclosed having an outermost membrane that is semi-compliant and limits the innermost membrane and any intermediate membranes that are highly compliant from bulging out of any opening in the annulus fibrosus. The outermost membrane may help protect the innermost membrane from trauma including any trauma before the innermost membrane is expanded through the injection of prosthetic nucleus material and trauma during the expansion of the innermost membrane in response to the injection of prosthetic nucleus material. Also disclosed is a coated membrane which combines the mechanical properties of the foundation layer with the low permeability to the passage of the flowable prosthetic material of the coating. This coated membrane is semi-compliant and prevents the prosthetic nucleus from bulging out of any openings in the annulus fibrosus. Use is made of injected prosthetic nucleus material that changes to a non-flowable state. | 06-03-2010 |
20100145462 | PREFORMED MEMBRANES FOR USE IN INTERVERTEBRAL DISC SPACES - Spinal motion preservation assemblies adapted for use in a spinal motion segment are disclosed including the process for delivering and assembling the spinal motion preservation assemblies in the spinal motion segment via an axial channel created with a trans-sacral approach. The disclosed mobility preservation assemblies provide for dynamic stabilization of the spinal motion segment. Preformed membranes are disclosed for use within an intervertebral disc space. The preformed membrane may include an approximation of the final shape of a filled membrane to limit or eliminate the need for the membrane to stretch during filling. Other variations and implementations of the teachings are disclosed, including the sheathed delivery of membranes in order to protect the membranes before and during deployment. | 06-10-2010 |
20110029019 | ASSEMBLIES FOR PROVISION OF THERAPY TO MOTION SEGMENTS - Disclosed are methods and apparatus for the provision of spinal therapy to two or more adjacent motion segments accessed through a trans-sacral approach. The spinal therapies include fusion and dynamic stabilization with and without a distraction of the most cephalad motion segment of the two or more adjacent motion segments provided therapy. The disclosure includes methods and apparatus to impart a push distraction to increase the distance between two adjacent vertebrae. Related concepts for the extraction of previously inserted devices and the delivery and removal of plugs for plugging the interior cavities of implantable devices are disclosed. | 02-03-2011 |
20110035005 | METHODS FOR PUSH DISTRACTION AND FOR PROVISION OF THERAPY TO ADJACENT MOTION SEGMENTS - Disclosed are methods and apparatus for the provision of spinal therapy to two or more adjacent motion segments accessed through a trans-sacral approach. The spinal therapies include fusion and dynamic stabilization with and without a distraction of the most cephalad motion segment of the two or more adjacent motion segments provided therapy. The disclosure includes methods and apparatus to impart a push distraction to increase the distance between two adjacent vertebrae. Related concepts for the extraction of previously inserted devices and the delivery and removal of plugs for plugging the interior cavities of implantable devices are disclosed. | 02-10-2011 |
20110040329 | SPINAL THERAPY DEVICE WITH FIXATED DISTRACTION DISTANCE - Assemblies for implantation across one or more spinal motion segments to allow for control of the distance between bone anchors. Control of distance between bone anchors may be provided by one inter-anchor element pushing the pair of bone anchors apart and a second inter-anchor element pulling the pair of bone anchors together. Control of distance between bone anchors may be provided through use of dissimilar thread pitch. Compression of intervertebral disc space through controlled movement of a pair of anchored bone anchors towards one another. | 02-17-2011 |
20110060369 | METHOD AND APPARATUS FOR MANIPULATING MATERIAL IN THE SPINE - Disclosed are surgical tools, tool sets and methods for percutaneously accessing and preparing treatment sites within the spine for subsequent treatment procedures. The treatment site may be an inter-vertebral motion segments in the lumbar and sacral regions of the spine. The tool set may comprise introducer tools and bone dilators for accessing and tapping into a targeted site, such as, for example, the anterior surface of the S | 03-10-2011 |
20110112373 | SOFT TISSUE ACCESS APPARATUS AND METHODS FOR SPINAL SURGERY - Disclosed are surgical tools, tool sets and methods for percutaneously accessing and preparing treatment sites within the spine for subsequent treatment procedures. The treatment site may be avertebral motion segments in the lumbar and sacral regions of the spine. The tool set may a retraction device for retracting bowel from a sacrum. The device can induce a collapsible enclosure that defines a chamber. The collapsible enclosure can have a collapsed configuration and an expanded configuration. In some arrangements, the chamber is filled with an inflation media. The expanded configuration defines a working channel positioned between the sacrum and the bowel and extending over or through at least a portion of the device. | 05-12-2011 |
20110270312 | SPINAL IMPLANT - A spinal implant with associated surgical tools, tool sets and methods for percutaneously accessing and preparing treatment sites within the spine for subsequent treatment procedures. The treatment site may be an inter-vertebral motion segments in the lumbar and sacral regions of the spine. The tool set may comprise introducer tools and bone dilators for accessing and tapping into a targeted site, such as, for example, the anterior surface of the S1 vertebral body. The tool set may also comprise cutters and extractors for preparing the treatment site for subsequent treatment procedures. The tool set may additionally comprise a bone graft inserter, an exchange system, and/or a temporary distraction tool for further preparing the treatment site for subsequent treatment procedures. | 11-03-2011 |
20130013000 | THERAPY TO ADJACENT MOTION SEGMENTS - Disclosed are methods and apparatus for the provision of spinal therapy to three or more adjacent motion segments accessed through a trans-sacral approach. The spinal therapies include fusion and dynamic stabilization with and without a distraction of the most cephalad motion segment of the two or more adjacent motion segments provided therapy. The disclosure includes methods and apparatus to impart a distraction on a second more caudal motion segment after providing therapy to the more cephalad motion segment. | 01-10-2013 |
20130289354 | Spinal Therapy Lateral Approach Access Instruments and Implants - Minimally invasive surgical techniques including techniques and implants for provision of therapy to a spine from a lateral approach. Implants that may be used with other approaches to the spine are disclosed. Minimally invasive surgical techniques using one or more extended retractors to create an extended access route such as the non-limiting example of lateral access to the spine. Minimally invasive surgical techniques using internal retractors that may be reversibly expanded with a removable retractor inserter to create an extended access route. A linkage jack to expand a set of two or more extended retractors to create an extended access route. | 10-31-2013 |
20140025117 | SPINAL IMPLANT - A spinal implant with associated surgical tools, tool sets and methods for percutaneously accessing and preparing treatment sites within the spine for subsequent treatment procedures. The treatment site may be an inter-vertebral motion segments in the lumbar and sacral regions of the spine. The tool set may comprise introducer tools and bone dilators for accessing and tapping into a targeted site, such as, for example, the anterior surface of the S1 vertebral body. The tool set may also comprise cutters and extractors for preparing the treatment site for subsequent treatment procedures. The tool set may additionally comprise a bone graft inserter, an exchange system, and/or a temporary distraction tool for further preparing the treatment site for subsequent treatment procedures. | 01-23-2014 |
20140236244 | THERAPY DEVICE WITH FIXATED DISTRACTION DISTANCE - Assemblies for implantation across one or more adjacent bones to allow for control of the distance between bone anchors. Control of distance between bone anchors may be provided by one inter-anchor element pushing the pair of bone anchors apart and a second inter-anchor element pulling the pair of bone anchors together. Control of distance between bone anchors may be provided through use of dissimilar thread pitch. Compression of the space between bone anchors through controlled movement of a pair of anchored bone anchors towards one another. | 08-21-2014 |
20140277498 | SPINAL IMPLANTS AND IMPLANTATION SYSTEM - Disclosed are surgical implants for providing therapy to a treatment site, tool sets and methods for minimally invasively accessing and deploying the implants within the spine. The treatment site may be a vertebral body, disc, and/or motion segments in the lumbar and sacral regions of the spine. | 09-18-2014 |
20140277499 | SPINAL IMPLANTS AND IMPLANTATION SYSTEM - Disclosed are surgical implants for providing therapy to a treatment site, tool sets and methods for percutaneously accessing and deploying the implants within the spines. The treatment site may be a vertebral body, disc, and/or motion segments in the lumbar and sacral regions of the spine. | 09-18-2014 |